CN104811864A - Method and system for self-adaptive adjustment of audio effect - Google Patents
Method and system for self-adaptive adjustment of audio effect Download PDFInfo
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Abstract
The invention provides a method and system for self-adaptive adjustment of an audio effect, and relates to the technical field of audio effect adjustment. The method comprises the steps that the source of an input audio is judged according to an audio application which is being executed on a user terminal; a corresponding audio effect mode is matched from a preset list of the corresponding relation between audio effect modes and audio sources according to the source of the input audio; the input audio is played in the matched audio effect mode. According to the method and system for self-adaptive adjustment of the audio effect, self-adaptive adjustment of the audio effect mode can be achieved according to the source of the input audio, manual operation of a user is not required, and the auditory effect and the experience of the user can be improved.
Description
Technical field
The invention belongs to audio regulation technology field, particularly relate to a kind of method and system of Automatic adjusument audio.
Background technology
Along with growth in the living standard, the audio class such as earphone, sound equipment consumption electronic product is more and more subject to the welcome of market and user.Meanwhile, user also requires that the function of these audio class consumption electronic products is more and more improved with powerful.Wherein, a typical functional requirement is, user wishes that the tonequality of this series products can adapt to the sound with the rediscover world better.In order to adapt to this demand in market, current audio class consumption electronic product has the function that audio regulates, audio is balanced and audio is arranged mostly.In general, common design carries out the relevant operation of audio in the following manner: on earphone, provide hard switching or button, user opens or closes certain sound effect function by operation; Or, by various wired or wireless connected mode, use the software of computer end or mobile terminal to carry out the related work of earphone audio setting.
Aforesaid way all needs user manually to carry out associative operation.First, the reaction needed time of user, there is this setting when user is arranged and be not suitable for current input audio frequency; Secondly, the ear of common people is subject to the impact of the factors such as age, not enough to some extent to the resolving ability of input audio frequency; Finally, general user be not specialty acoustic technique personnel, they for input audio frequency be suitable for audio setting unprofessional, likely cause the audio after arranging not to be suitable for current input audio frequency, the experience of user be affected.
Summary of the invention
The object of the embodiment of the present invention is the method and system providing a kind of Automatic adjusument audio, and that is intended to solve audio in prior art arranges the problem all needing user manually to carry out associative operation.
The embodiment of the present invention is achieved in that a kind of method of Automatic adjusument audio, comprising:
According to the source of the voice applications judgement input audio frequency that user terminal is performing;
According to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated;
Audio frequency is inputted described in the audio mode playback that utilization matches.
In the method for the Automatic adjusument audio described in the embodiment of the present invention, the described voice applications performed according to user terminal judges that the source of input audio frequency specifically comprises:
Receive the audio frequency source identification code of the voice applications transmission that user terminal is performing according to self;
The source of described input audio frequency is identified according to described audio frequency source identification code.
In the method for the Automatic adjusument audio described in the embodiment of the present invention, described audio pattern comprises film mode, speech pattern, game mode and music pattern, inputs audio frequency and specifically comprise described in the audio mode playback that described utilization matches:
If the audio pattern matched is film mode, then SRS audio is adopted to play described input audio frequency;
If the audio pattern matched is speech pattern, then active noise reduction is carried out to described input audio frequency, and the gain of intermediate frequency voice signal corresponding in described input audio frequency is improved;
If the audio pattern matched is game mode, then adopts SRS audio to play described input audio frequency, and auditory localization is carried out to described input audio frequency;
If the audio pattern matched is music pattern, then input the music categories of audio frequency described in automatic decision, and according to the gain mode of the automatic conditioning equaliser of described music categories.
In the method for the Automatic adjusument audio described in the embodiment of the present invention, described in described automatic decision, input the music categories of audio frequency, and arrange according to the gain of the automatic conditioning equaliser of described music categories and specifically comprise:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, extract the audio feature vector of described audio signal, and according to described audio feature vector with undertaken training the disaggregated model obtained to identify the music categories of described buffer memory input audio frequency by SVM training aids in advance;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
In the method for the Automatic adjusument audio described in the embodiment of the present invention, described in described automatic decision, input the music categories of audio frequency, and specifically comprise according to the gain mode of the automatic conditioning equaliser of described music categories:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and look ahead described input audio frequency for the previous period in audio signal as analytic target, Fourier transform is carried out to described audio signal, described audio signal is converted to frequency domain components from time-domain signal, then get the energy size of Fourier Transform Coefficients as each frequency of each frequency domain components, go out the music categories of described buffer memory input audio frequency according to the energy size identification of each frequency;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
Another object of the embodiment of the present invention is, provides a kind of system of Automatic adjusument audio, comprising:
Audio frequency source title module, the voice applications for performing according to user terminal judges the source of input audio frequency;
Audio pattern arranges module, for according to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated;
Audio playing module, inputs audio frequency for utilizing described in the audio mode playback that matches.
In the system of the Automatic adjusument audio described in the embodiment of the present invention, described audio frequency source title module comprises:
Receiving element, the audio frequency source identification code that the voice applications performed according to self for receiving user terminal sends;
Identification code recognition unit, for identifying the source of described input audio frequency according to described audio frequency source identification code.
In the system of the Automatic adjusument audio described in the embodiment of the present invention, described audio pattern comprises film mode, speech pattern, game mode and music pattern, described audio playing module specifically for:
If the audio pattern matched is film mode, then SRS audio is adopted to play described input audio frequency;
If the audio pattern matched is speech pattern, then active noise reduction is carried out to described input audio frequency, and the gain of intermediate frequency voice signal corresponding in described input audio frequency is improved;
If the audio pattern matched is game mode, then adopts SRS audio to play described input audio frequency, and auditory localization is carried out to described input audio frequency;
If the audio pattern matched is music pattern, then input the music categories of audio frequency described in automatic decision, and according to the gain mode of the automatic conditioning equaliser of described music categories.
In the system of the Automatic adjusument audio described in the embodiment of the present invention, described music playing module specifically for:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, extract the audio feature vector of described audio signal, and according to described audio feature vector with undertaken training the disaggregated model obtained to identify the music categories of described buffer memory input audio frequency by SVM training aids in advance;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
In the system of the Automatic adjusument audio described in the embodiment of the present invention, described music playing module specifically for:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, Fourier transform is carried out to described audio signal, described audio signal is converted to frequency domain components from time-domain signal, then get the energy size of Fourier Transform Coefficients as each frequency of each frequency domain components, go out the music categories of described buffer memory input audio frequency according to the energy size identification of each frequency;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
The method and system implementing a kind of Automatic adjusument audio that the embodiment of the present invention provides have following beneficial effect:
The embodiment of the present invention judges the source of input audio frequency by the voice applications performed according to user terminal, then, according to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated, and utilize described in the audio mode playback that matches and input audio frequency, thus achieve the object of the source Automatic adjusument audio pattern according to input audio frequency, it is without the need to user's manual operation, can improve auditory effect and the experience sense of user.
Accompanying drawing explanation
Fig. 1 is the outside Organization Chart of the system of the Automatic adjusument audio that the embodiment of the present invention provides;
The specific implementation flow chart of the method for the Automatic adjusument audio that Fig. 2 embodiment of the present invention provides;
Fig. 3 is the specific implementation flow chart of S101 in the method for the Automatic adjusument audio that the embodiment of the present invention provides;
Fig. 4 is the internal structure schematic diagram of the system of the Automatic adjusument audio that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the outside Organization Chart of the system of the Automatic adjusument audio that the embodiment of the present invention provides.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 1, the outside framework of this system includes earphone 1 and user terminal 2.Wherein, user terminal 2 includes but not limited to the terminal equipments such as smart mobile phone, flat board, PDA (Personal Digital Assistant, palmtop PC), and user terminal 2 requires to support that audio frequency is play and blue tooth communication function.Earphone 1 has the functions such as SRS (Sound Retrieval System, virtual ring is around system for electrical teaching), EQ (Equalizer, equalizer) adjustment, active noise reduction and bluetooth communication.
Based on the external structure of the system shown in Fig. 1, be described in detail below in conjunction with the method and system of specific embodiment to the Automatic adjusument audio that the embodiment of the present invention provides:
Fig. 2 shows the specific implementation flow process of the method for the Automatic adjusument audio that the embodiment of the present invention provides, and in the embodiment depicted in figure 2, the executive agent of flow process is the earphone 1 in Fig. 1.Details are as follows for the realization flow of the method:
In S101, according to the source of the voice applications judgement input audio frequency that user terminal 2 is performing.
In the present embodiment, voice applications includes but not limited to audio-visual broadcasting APP (Application, application program), music APP, voice call APP and game APP.Fig. 2 shows the specific implementation process of S101:
In S201, receive the audio frequency source identification code of the voice applications transmission that user terminal 2 is performing according to self.
In S202, identify the source of described input audio frequency according to described audio frequency source identification code.
In the present embodiment, the voice applications that user terminal 2 can perform according to self sends corresponding audio frequency source identification code to the earphone 1 that its foundation has Bluetooth pairing to connect, earphone 1 and user terminal 2 all store the mapping table that audio frequency source identification code and audio frequency are originated, after earphone 1 receives audio frequency source identification code can according to this audio frequency source identification code from the audio frequency source identification code prestored with find out corresponding audio frequency the relation table that audio frequency is originated and originate.Here audio frequency source identification code can be Arabic numerals, also can be English alphabet.
In S102, according to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated.
In S103, described in the audio mode playback that utilization matches, input audio frequency.
In the present embodiment, in the present embodiment, described audio pattern includes but not limited to film mode, speech pattern, game mode and music pattern.Input audio frequency described in the audio mode playback that described utilization matches specifically to comprise:
If the audio pattern matched is film mode, then SRS audio is adopted to play described input audio frequency;
If the audio pattern matched is speech pattern, then active noise reduction is carried out to described input audio frequency, and the gain of intermediate frequency voice signal corresponding in described input audio frequency is improved;
If the audio pattern matched is game mode, then adopts SRS audio to play described input audio frequency, and auditory localization is carried out to described input audio frequency;
If the audio pattern matched is music pattern, then input the music categories of audio frequency described in automatic decision, and according to the gain mode of the automatic conditioning equaliser of described music categories.
As a specific implementation example, described in described automatic decision, input the music categories of audio frequency, and arrange according to the gain of the automatic conditioning equaliser of described music categories and specifically comprise:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, extract the audio feature vector of described audio signal, and carry out training the disaggregated model obtained to identify the music categories of described input audio frequency according to described audio feature vector with in advance by SVM (Support Vector Machine, SVMs) training aids; Preferably, in the present embodiment, audio signal before described buffer memory of looking ahead input audio frequency in 20s is as analytic target, certainly in other embodiments user can according to self need the time period of looking ahead as the audio signal of analytic target is set voluntarily, the time period arranged is longer, and the reliability of its analysis result is higher;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
As another specific implementation example, described in described automatic decision, input the music categories of audio frequency, and specifically comprise according to the gain mode of the automatic conditioning equaliser of described music categories:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, Fourier transform is carried out to described audio signal, described audio signal is converted to frequency domain components from time-domain signal, then get the energy size of Fourier Transform Coefficients as each frequency of each frequency domain components, go out the music categories of described buffer memory input audio frequency according to the energy size identification of each frequency; Preferably, in the present embodiment, audio signal before described buffer memory of looking ahead input audio frequency in 30s is as analytic target, certainly in other embodiments user can according to self need the time period of looking ahead as the audio signal of analytic target is set voluntarily, the time period arranged is longer, and the reliability of its analysis result is higher;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
In embodiments of the present invention, gain mode includes but not limited to classical music pattern, pop music pattern, jazz pattern, rock music pattern, general mode and automatically changes pattern.User can preserve according to oneself the gain parameter needing to arrange voluntarily equalizer under different music pattern in advance using before earphone 1.
In addition, each sound effect parameters corresponding to audio pattern is modifiable in embodiments of the present invention, has only exemplified out above-mentioned preferably execution mode, but be not limited to above-mentioned execution mode in the present embodiment.
First the method for the Automatic adjusument audio that the embodiment of the present invention provides owing to judging the source inputting audio frequency; Then, according to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated, audio frequency is inputted described in the audio mode playback that utilization matches, thus achieve the object of the source Automatic adjusument audio pattern according to input audio frequency, it is without the need to user's manual operation, can improve auditory effect and the experience sense of user.
Fig. 4 shows the internal structure schematic diagram of the system of the Automatic adjusument audio that the embodiment of the present invention provides, and this system can be positioned among earphone 1 as shown in Figure 1, for running the method for the Automatic adjusument audio described in Fig. 2 to Fig. 3 embodiment of the present invention.For convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 4, this system comprises:
Audio frequency source title module 11, the voice applications for performing according to user terminal 2 judges the source of input audio frequency;
Audio pattern arranges module 12, for according to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated;
Audio playing module 13, inputs audio frequency for utilizing described in the audio mode playback that matches.
Optionally, described audio frequency source title module comprises:
Receiving element 111, the audio frequency source identification code that the voice applications performed according to self for receiving user terminal 2 sends;
Identification code recognition unit 112, for identifying the source of described input audio frequency according to described audio frequency source identification code.
Optionally, described audio pattern comprises film mode, speech pattern, game mode and music pattern, described audio playing module 13 specifically for:
If the audio pattern matched is film mode, then SRS audio is adopted to play described input audio frequency;
If the audio pattern matched is speech pattern, then active noise reduction is carried out to described input audio frequency, and the gain of intermediate frequency voice signal corresponding in described input audio frequency is improved;
If the audio pattern matched is game mode, then adopts SRS audio to play described input audio frequency, and auditory localization is carried out to described input audio frequency;
If the audio pattern matched is music pattern, then input the music categories of audio frequency described in automatic decision, and according to the gain mode of the automatic conditioning equaliser of described music categories.
Optionally, described music playing module 13 specifically for:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, extract the audio feature vector of described audio signal, and according to described audio feature vector with undertaken training the disaggregated model obtained to identify the music categories of described buffer memory input audio frequency by SVM training aids in advance;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
Optionally, described music playing module 13 specifically for:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and look ahead described input audio frequency for the previous period in audio signal as analytic target, Fourier transform is carried out to described audio signal, described audio signal is converted to frequency domain components from time-domain signal, then get the energy size of Fourier Transform Coefficients as each frequency of each frequency domain components, go out the music categories of described buffer memory input audio frequency according to the energy size identification of each frequency;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
First the system of the Automatic adjusument audio that the embodiment of the present invention provides equally owing to judging the source inputting audio frequency; Then, according to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated, audio frequency is inputted described in the audio mode playback that utilization matches, thus achieve the object of the source Automatic adjusument audio pattern according to input audio frequency, it is without the need to user's manual operation, can improve auditory effect and the experience sense of user.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a method for Automatic adjusument audio, is characterized in that, comprising:
According to the source of the voice applications judgement input audio frequency that user terminal is performing;
According to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated;
Audio frequency is inputted described in the audio mode playback that utilization matches.
2. the method for Automatic adjusument audio as claimed in claim 1, is characterized in that, the described voice applications performed according to user terminal judges that the source of input audio frequency specifically comprises:
Receive the audio frequency source identification code of the voice applications transmission that user terminal is performing according to self;
The source of described input audio frequency is identified according to described audio frequency source identification code.
3. the method for Automatic adjusument audio as claimed in claim 2, it is characterized in that, described audio pattern comprises film mode, speech pattern, game mode and music pattern, inputs audio frequency and specifically comprise described in the audio mode playback that described utilization matches:
If the audio pattern matched is film mode, then SRS audio is adopted to play described input audio frequency;
If the audio pattern matched is speech pattern, then active noise reduction is carried out to described input audio frequency, and the gain of intermediate frequency voice signal corresponding in described input audio frequency is improved;
If the audio pattern matched is game mode, then adopts SRS audio to play described input audio frequency, and auditory localization is carried out to described input audio frequency;
If the audio pattern matched is music pattern, then input the music categories of audio frequency described in automatic decision, and according to the gain mode of the automatic conditioning equaliser of described music categories.
4. the method for Automatic adjusument audio as claimed in claim 3, is characterized in that, input the music categories of audio frequency described in described automatic decision, and arranges according to the gain of the automatic conditioning equaliser of described music categories and specifically comprise:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, extract the audio feature vector of described audio signal, and according to described audio feature vector with undertaken training the disaggregated model obtained to identify the music categories of described buffer memory input audio frequency by SVM training aids in advance;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
5. the method for Automatic adjusument audio as claimed in claim 3, is characterized in that, input the music categories of audio frequency described in described automatic decision, and specifically comprise according to the gain mode of the automatic conditioning equaliser of described music categories:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, Fourier transform is carried out to described audio signal, described audio signal is converted to frequency domain components from time-domain signal, then get the energy size of Fourier Transform Coefficients as each frequency of each frequency domain components, go out the music categories of described buffer memory input audio frequency according to the energy size identification of each frequency;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
6. a system for Automatic adjusument audio, is characterized in that, comprising:
Audio frequency source title module, the voice applications for performing according to user terminal judges the source of input audio frequency;
Audio pattern arranges module, for according to the source of described input audio frequency from the audio pattern preset with match corresponding audio pattern the mapping table that audio frequency is originated;
Audio playing module, inputs audio frequency for utilizing described in the audio mode playback that matches.
7. the system of Automatic adjusument audio as claimed in claim 6, it is characterized in that, described audio frequency source title module comprises:
Receiving element, the audio frequency source identification code that the voice applications performed according to self for receiving user terminal sends;
Identification code recognition unit, for identifying the source of described input audio frequency according to described audio frequency source identification code.
8. the system of Automatic adjusument audio as claimed in claim 7, it is characterized in that, described audio pattern comprises film mode, speech pattern, game mode and music pattern, described audio playing module specifically for:
If the audio pattern matched is film mode, then SRS audio is adopted to play described input audio frequency;
If the audio pattern matched is speech pattern, then active noise reduction is carried out to described input audio frequency, and the gain of intermediate frequency voice signal corresponding in described input audio frequency is improved;
If the audio pattern matched is game mode, then adopts SRS audio to play described input audio frequency, and auditory localization is carried out to described input audio frequency;
If the audio pattern matched is music pattern, then input the music categories of audio frequency described in automatic decision, and according to the gain mode of the automatic conditioning equaliser of described music categories.
9. the system of Automatic adjusument audio as claimed in claim 8, is characterized in that, described music playing module specifically for:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, extract the audio feature vector of described audio signal, and according to described audio feature vector with undertaken training the disaggregated model obtained to identify the music categories of described buffer memory input audio frequency by SVM training aids in advance;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
10. the system of Automatic adjusument audio as claimed in claim 8, is characterized in that, described music playing module specifically for:
If the audio pattern matched is music pattern, then buffer memory inputs audio frequency automatically, and described buffer memory of looking ahead inputs audio frequency audio signal interior for the previous period as analytic target, Fourier transform is carried out to described audio signal, described audio signal is converted to frequency domain components from time-domain signal, then get the energy size of Fourier Transform Coefficients as each frequency of each frequency domain components, go out the music categories of described buffer memory input audio frequency according to the energy size identification of each frequency;
Match corresponding gain mode from the music categories prestored with the mapping table of the gain mode of equalizer according to described music categories, and utilize the gain mode matched to play described buffer memory input audio frequency.
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| CN109087634A (en) * | 2018-10-30 | 2018-12-25 | 四川长虹电器股份有限公司 | A kind of sound quality setting method based on audio classification |
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